Welcome to Door Services Inc. (DSI)

DSI Door Services, located in Portland, Maine, is an expert in the installation, service, and sales of many different kinds of residential and commercial overhead doors. We have the products that are essential to large homes, condos, and apartment and commercial buildings. Our service area includes all of Maine, New hampshire and Massachusetts. To learn how DSI Door Services, Inc. can help you, stop by our extensive showroom today! Our top-of-the-line products instill a sense of renewal and longevity to your property.

As a Maine owned and operated business, we spend time getting to know and understand your personalized needs. Unlike the large corporations that only think about the bottom dollar, we pride ourselves on providing you a cost effective service that accommodates all of your requirements.

We are an authorized dealer of overhead doors, working with renowned national door distributors including Amaar, Clopay, Garaga, and Carriage House Doors. With our unique connections and personal attentiveness, your satisfaction is inevitable. Whether you have residential or commercial considerations, we always get the job done correctly, on time, and within your budget.

Make sure to contact us soon, or stop by to meet our prized terriers and unofficial mascots, Victor and Violet!